<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>教师数据管理</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getTeacherList" @keyup.enter="getTeacherList">
            <el-button slot="append" icon="el-icon-search" @click="getTeacherList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="1.5">
          <el-button type="primary" @click="addTeacherVisible = true">添加数据</el-button>
        </el-col>
        <el-col :span="2">
          <el-button type="primary" @click="addTeacherFormVisible = true">批量导入</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table :data="tacherList" border stripe>
        <el-table-column label="工号" prop="username" ></el-table-column>
        <el-table-column label="用户名" prop="realName" ></el-table-column>
        <el-table-column label="电话" prop="phone" ></el-table-column>
        <el-table-column label="邮箱" prop="email" ></el-table-column>
        <el-table-column label="是否离职" >
          <template slot-scope="scope">
            <el-switch v-model="scope.row.isLeave" @change="teacherStateChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showTeacherEdit(scope.row.id)"></el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeTeacherById(scope.row.id)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pageNo"
        :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pageSize" layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog title="添加教师" :visible.sync="addTeacherVisible" width="50%" @close="addTeacherClosed">
      <!-- 内容主体区域 -->
      <el-form :model="addTeacherForm" :rules="addTeacherFormRules" ref="addTeacherFormRef" label-width="70px">
        <el-form-item label="工号" prop="username">
          <el-input v-model="addTeacherForm.username"></el-input>
        </el-form-item>
        <el-form-item label="用户名" prop="name">
          <el-input v-model="addTeacherForm.name"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addTeacherForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addTeacherForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="addTeacherForm.phone"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addTeacherVisible = false">取 消</el-button>
        <el-button type="primary" @click="addTeacher">确 定</el-button>
      </span>

    </el-dialog>

<!--
    <el-dialog title="批量导入教师数据" :visible.sync="addTeacherFormVisible" width="30%" @close="addTeacherFormDialogClosed">
      <el-form  ref="fileFormRef" :v-modle="fileForm">
        <el-form-item label="批量导入"   >
          <el-link  type="primary" href="http://120.27.233.52:8080/student.xlsx" >下载模板</el-link><br/>
          <input type="file"  @change="getFile($event)" />
        </el-form-item>
      </el-form>

      <span slot="footer" class="dialog-footer">
        <el-button @click="addTeacherFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="addTeacher">确 定</el-button>
      </span>

    </el-dialog> -->

    <!-- 修改用户的对话框 -->
    <el-dialog title="修改教师" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form :model="editTeacherForm" :rules="editTeacherFormRules" ref="editTeacherFormRef" label-width="70px">
        <el-form-item label="工号" prop="username">
          <el-input v-model="editTeacherForm.username"></el-input>
        </el-form-item>
        <el-form-item label="用户名" prop="realName">
          <el-input v-model="editTeacherForm.realName"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="editTeacherForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editTeacherForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="editTeacherForm.phone"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editTeacherInfo">确 定</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
export default {
  data() {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }

      cb(new Error('请输入合法的邮箱'))
    }

    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }

    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        pageNo: 1,
        pageSize: 5
      },
      tacherList: [],

      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addTeacherVisible: false,
      // 添加用户的表单数据
      addTeacherForm: {
        username: '',
        password: '',
        email: '',
        phone: '',
        name: ''
      },
      fileList: [],
      // 添加表单的验证规则对象
      addTeacherFormRules: {
        name: [{
          required: true,
          message: '请输入用户名',
          trigger: 'blur'
        },
        {
          min: 3,
          max: 10,
          message: '用户名的长度在3~10个字符之间',
          trigger: 'blur'
        }
        ],
        username: [{
          required: true,
          message: '请输入用户名',
          trigger: 'blur'
        },
        {
          min: 3,
          max: 10,
          message: '用户名的长度在3~10个字符之间',
          trigger: 'blur'
        }
        ],
        password: [{
          required: true,
          message: '请输入密码',
          trigger: 'blur'
        },
        {
          min: 6,
          max: 15,
          message: '用户名的长度在6~15个字符之间',
          trigger: 'blur'
        }
        ],
        email: [{
          required: true,
          message: '请输入邮箱',
          trigger: 'blur'
        },
        {
          validator: checkEmail,
          trigger: 'blur'
        }
        ],
         phone: [{
          required: true,
          message: '请输入手机号',
          trigger: 'blur'
        },
        {
          validator: checkMobile,
          trigger: 'blur'
        }
        ]
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息对象
      editTeacherForm: {
      	  id:'',
          username: '',
          realName: '',
          password: '',
          email: '',
          phone: ''
      },
      // 修改表单的验证规则对象
      editTeacherFormRules: {
        realName: [{
          required: true,
          message: '请输入用户名',
          trigger: 'blur'
        },
        {
          min: 3,
          max: 10,
          message: '用户名的长度在3~10个字符之间',
          trigger: 'blur'
        }
        ],
        username: [{
          required: true,
          message: '请输入用户名',
          trigger: 'blur'
        },
        {
          min: 3,
          max: 10,
          message: '用户名的长度在3~10个字符之间',
          trigger: 'blur'
        }
        ],
        password: [{
          required: true,
          message: '请输入密码',
          trigger: 'blur'
        },
        {
          min: 6,
          max: 15,
          message: '用户名的长度在6~15个字符之间',
          trigger: 'blur'
        }
        ],
        email: [{
          required: true,
          message: '请输入邮箱',
          trigger: 'blur'
        },
        {
          validator: checkEmail,
          trigger: 'blur'
        }
        ],
         phone: [{
          required: true,
          message: '请输入手机号',
          trigger: 'blur'
        },
        {
          validator: checkMobile,
          trigger: 'blur'
        }
        ]
      },
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有角色的数据列表
      rolesList: [],
      // 已选中的角色Id值
      selectedRoleId: '',
      fileForm:[],
      addTeacherFormVisible: false

    }
  },
  created() {
    this.getTeacherList()
  },
  methods: {

    async getTeacherList() {
        const { data: res } = await this.$http.get('/teacher', {
            params: this.queryInfo
        })

        if (res.code !== 200) {
            return this.$message.error('获取用户列表失败！')
        }
        this.tacherList = res.data.info
        this.total = res.data.total
    },
    // 监听 pagesize 改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.pageSize = newSize
      this.getTeacherList()
    },
    // 监听 页码值 改变的事件
    handleCurrentChange(newPage) {
      this.queryInfo.pageNo = newPage
      this.getTeacherList()
    },
    // 监听 switch 开关状态的改变
    async teacherStateChanged(userinfo) {
      // const { data: res } = await this.$http.put(
      //   `users/${userinfo.id}/state/${userinfo.mg_state}`
      // )
      // if (res.meta.status !== 200) {
      //   userinfo.mg_state = !userinfo.mg_state
      //   return this.$message.error('更新用户状态失败！')
      // }
      this.$message.success('更新教师状态成功！')
    },
    // 监听添加用户对话框的关闭事件
    addTeacherClosed() {
      this.$refs.addTeacherFormRef.resetFields()
    },
    // 点击按钮，添加新用户
    addTeacher() {
      console.log(this.addTeacherForm)
      let form = new FormData()
      form.append('username',this.addTeacherForm.username)
      form.append('password',this.addTeacherForm.password)
      form.append('email',this.addTeacherForm.email)
      form.append('phone',this.addTeacherForm.phone)
      form.append('name',this.addTeacherForm.name)
          this.$refs.addTeacherFormRef.validate(async valid => {
              if (!valid) return

              const { data: res } = await this.$http.post('/teacher', form)

              if (res.code !== 200) {
                  this.$message.error('添加用户失败！')
              }

              this.$message.success('添加用户成功！')
              // 隐藏添加用户的对话框
              this.addTeacherVisible = false
              // 重新获取用户列表数据
              this.getTeacherList()
          })
      },
      addTeacherFormDialogClosed() {
          this.$refs.fileFormRef.resetFields()
      },
      async addTeachers() {
          var formData = new FormData()
          formData.append('file', this.fileForm.file)
          formData.append('classroomId', this.fileForm.classroomId)


              const { data: res } = await this.$http.post('Upload/studentImportExcel ',formData,{
                      headers:{
                          'Content-Type':'multipart/form-data'
                      },
                  }
              )
              console.log(res)
              if (res.code !== -1) {
                  this.$message.error('批量导入失败！')
              }

              this.$message.success('批量导入成功！')
              this.addTeacherFormVisible = false
              this.getUserList()

      },
    // 展示编辑用户的对话框
      async showTeacherEdit(teacherId) {

          const { data: res } = await this.$http.get('teacher/'+teacherId)
          if (res.code !== 200) {
              return this.$message.error('查询用户信息失败！')
          }

          this.editTeacherForm = res.data

          this.editDialogVisible = true
      },
      // 监听修改用户对话框的关闭事件
      editDialogClosed() {
          this.$refs.editTeacherFormRef.resetFields()
      },
      // 修改用户信息并提交
      
      editTeacherInfo() {
      	console.log(this.editTeacherForm)
      	let form = new FormData()
      	form.append('id',this.editTeacherForm.id)
      	form.append('username',this.editTeacherForm.username)
      	form.append('password',this.editTeacherForm.password)
      	form.append('email',this.editTeacherForm.email)
      	form.append('phone',this.editTeacherForm.phone)
      	form.append('realName',this.editTeacherForm.realName)
      	console.log(this.editTeacherForm)
          this.$refs.editTeacherFormRef.validate(async valid => {
              if (!valid) return
              
              const  { data: res } = await this.$http.put( 'teacher' , form )

              if (res.code !== 200) {
                  return this.$message.error(res.msg)
              }

              // 关闭对话框
              this.editDialogVisible = false
              // 刷新数据列表
              this.getTeacherList()
              // 提示修改成功
              this.$message.success('更新用户信息成功！')
          })
      },

      // 根据Id删除对应的用户信息
      async removeTeacherById(teacherId) {
          // 弹框询问用户是否删除数据
          const confirmResult = await this.$confirm(
              '此操作将永久删除该用户, 是否继续?',
              '提示', {
                  confirmButtonText: '确定',
                  cancelButtonText: '取消',
                  type: 'warning'
              }
          ).catch(err => err)

          // 如果用户确认删除，则返回值为字符串 confirm
          // 如果用户取消了删除，则返回值为字符串 cancel
          // console.log(confirmResult)
          if (confirmResult !== 'confirm') {
              return this.$message.info('已取消删除')
          }

          const {
              data: res
          } = await this.$http.delete('teacher/'+teacherId )

          if (res.code !== 200) {
              return this.$message.error('删除用户失败！')
          }

          this.$message.success('删除用户成功！')
          this.getTeacherList()
      }
  }
}
</script>

<style lang="less" scoped>
</style>
